The process to remove caffeine from coffee beans using water was first developed in Switzerland in the 1930s, but was only trademarked as the Swiss Water Process in the '80s by a company in Vancouver, British Columbia.
How to Grow Primrose Flower Plants. Primrose is a hardy perennial flower, that includes a wide range of varieties. Primrose is native to Asia, Europe, and North America. In North America, they originally were found from the Midwest to the Northwest areas of the U.S.
Most Primrose varieties grow one to two feet tall, and are drought tolerant. They are found in a wide variety of colors. Primrose is good for ground cover, especially on hillsides. They look great planted in masses. Also try Primrose in windowsill planters, or containers on your patio or deck.r, broadcast them into fields to grow as a wildflower. Primrose growers need patience when planting them. The seed is difficult to germinate, and takes two to four weeks, or more. We recommend they be started in a glass or plastic covered seed bed free of weeds and debris.